<?php
    //创建Server对象，监听 127.0.0.1:9501 端口
    $server = new Swoole\Server('127.0.0.1', 9501);

    //监听连接进入事件
    $server->on('Connect', function ($server, $fd) {
        echo "Client: Connect.\n";
    });

    //监听数据接收事件
    $server->on('Receive', function ($server, $fd, $reactor_id, $data) {
        $server->send($fd, "Server: {$data}");
    });

    //监听连接关闭事件
    $server->on('Close', function ($server, $fd) {
        echo "Client: Close.\n";
    });

    //启动服务器
    $server->start();
